78022120022 has 16 divisors (see below), whose sum is σ = 145911497472. Its totient is φ = 30398228520.

The previous prime is 78022120021. The next prime is 78022120079. The reversal of 78022120022 is 22002122087.

It is a junction number, because it is equal to n+sod(n) for n = 78022119973 and 78022120000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78022120021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253318418 + ... + 253318725.

It is an arithmetic number, because the mean of its divisors is an integer number (9119468592).

Almost surely, 2^78022120022 is an apocalyptic number.

78022120022 is a deficient number, since it is larger than the sum of its proper divisors (67889377450).

78022120022 is a wasteful number, since it uses less digits than its factorization.

78022120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506637163.

The product of its (nonzero) digits is 1792, while the sum is 26.

The spelling of 78022120022 in words is "seventy-eight billion, twenty-two million, one hundred twenty thousand, twenty-two".